The National Rifle Association is billing its annual convention as "15 acres of guns and gear." And local tourism officials expect up to 80,000 people in town for the event.

As the NRA Convention for 2019 gets ready to return to Indianapolis, people want to know more about the state's carry law for firearms and answers to other questions.

Here's what you should know.

Can you carry a gun at the convention?

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David Widdifield (left), from Noblesville, with the Single Action Shooting Society, shows his gun and holster to Joseph Kuerzi, from Clarksville, Ind., at the NRA national convention at the Indiana Convention Center on April 25, 2014.(Photo: Kelly Wilkinson/The Star)

According to the NRA's website, the carrying of personal firearms will be allowed inside the Indiana Convention Center and Lucas Oil Stadium during the convention from April 26-28, as long as the owner is licensed to do so under Indiana law.

"When carrying your firearm, remember to follow all federal, state and local laws," the NRA advises.

You don't need a license to own a gun in Indiana, and there's also no requirement to register a handgun, rifle or shotgun in Indiana.

However, you do need a license to carry a handgun in public here. That license to carry requirement applies unless you're on property you own, rent or lease, or the property owner has given you specific permission to carry a handgun on his or her property.

The Indiana State Police website allows you to apply for a carry permit online, but you will still need to schedule a time to submit your fingerprints electronically and visit your local police or sheriff's department to review your application and pay the fee.

No license is required to carry a rifle or shotgun outside in Indiana.

However, as mentioned above, you must have a license to legally carry a handgun outside. The law doesn't specify whether a handgun can be carried out in the open or must be concealed. The Indiana State Police advises gun owners to use discretion, since carrying a gun in plain sight in public could be threatening to some people and attract unwanted attention to yourself.

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People head outside in Downtown Indianapolis, during the NRA Convention at the Indiana Convention Center on April 25, 2014.(Photo: Matt Detrich/IndyStar file photo)

Tom Sellas, commander of the Indianapolis Metropolitan Police Department's Homeland Security Bureau, also had advice for gun owners on this issue.

"I know with the (NRA) convention coming down here, we will have a lot of people who will carry," he said.

Susan Bryant, left, of New Palestine, and Cathy Arnold, of Greenfield, put on buttons at the NRA Stand and Fight Rally during the 143rd National Rifle Association Annual Meeting at Lucas Oil Stadium, Saturday, April 26, 2014, in Indianapolis. Brent Drinkut/IndyStar

Guests walk under a "Made in America" beam as they enter the NRA Stand and Fight Rally during the 143rd National Rifle Association Annual Meeting at Lucas Oil Stadium, Saturday, April 26, 2014, in Indianapolis. Brent Drinkut/IndyStar

The crowd gives Wayne LaPierre, executive vice president of the NRA, a standing ovation at the NRA Stand and Fight Rally during the 143rd National Rifle Association Annual Meeting at Lucas Oil Stadium, Saturday, April 26, 2014, in Indianapolis. Brent Drinkut/IndyStar

The NRA officers take the stage at the NRA Stand and Fight Rally during the 143rd National Rifle Association Annual Meeting at Lucas Oil Stadium, Saturday, April 26, 2014, in Indianapolis. Brent Drinkut/IndyStar

Country music artist Sara Evans performs at the NRA Stand and Fight Rally during the 143rd National Rifle Association Annual Meeting at Lucas Oil Stadium, Saturday, April 26, 2014, in Indianapolis. Brent Drinkut/IndyStar

Country music artist Sara Evans performs at the NRA Stand and Fight Rally during the 143rd National Rifle Association Annual Meeting at Lucas Oil Stadium, Saturday, April 26, 2014, in Indianapolis. Brent Drinkut/IndyStar

Country music artist Sara Evans performs at the NRA Stand and Fight Rally during the 143rd National Rifle Association Annual Meeting at Lucas Oil Stadium, Saturday, April 26, 2014, in Indianapolis. Brent Drinkut/IndyStar

Country music artists Alabama perform at the NRA Stand and Fight Rally during the 143rd National Rifle Association Annual Meeting at Lucas Oil Stadium, Saturday, April 26, 2014, in Indianapolis. Brent Drinkut/IndyStar

Country music artists Alabama perform at the NRA Stand and Fight Rally during the 143rd National Rifle Association Annual Meeting at Lucas Oil Stadium, Saturday, April 26, 2014, in Indianapolis. Brent Drinkut/IndyStar

Country music artists Alabama perform at the NRA Stand and Fight Rally during the 143rd National Rifle Association Annual Meeting at Lucas Oil Stadium, Saturday, April 26, 2014, in Indianapolis. Brent Drinkut/IndyStar

Country music artists Alabama perform at the NRA Stand and Fight Rally during the 143rd National Rifle Association Annual Meeting at Lucas Oil Stadium, Saturday, April 26, 2014, in Indianapolis. Brent Drinkut/IndyStar

Country music artists Alabama perform at the NRA Stand and Fight Rally during the 143rd National Rifle Association Annual Meeting at Lucas Oil Stadium, Saturday, April 26, 2014, in Indianapolis. Brent Drinkut/IndyStar

Can you carry a firearm in businesses in Indianapolis?

The NRA already says you have permission to carry a firearm at the convention, if you're meeting state law requirements.

As far as whether you can carry a gun inside a hotel, restaurant or other business in Indianapolis, that permission is up to the property owner. Gun owners should know that in Indiana, private businesses can prohibit the carrying of firearms on their premises.

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Patrons attend the NRA's annual convention at the Indiana Convention Center in Indianapolis on April 25, 2014.(Photo: Robert Scheer/IndyStar file photo)

"Private businesses have the right to restrict any type of firearm on their property," Sellas said.

He also advised visitors to secure their firearms in a safe place. One possibility is to ask employees at the hotel where they are staying if they can store their firearms in the hotel safe. But Sellas said they shouldn't just leave their guns in their car, even if it is kept locked.

"Leaving it in your car is not a good idea," he said. "That's not a safe place to keep your firearm."

Are any local businesses prohibiting firearms?

Neither Sellas nor Gahl said they were aware of any Indianapolis businesses prohibiting firearms.

"I have not heard of any establishments that have posted signs, but there may be some that I'm not aware of," Sellas said.

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Guns of all shapes and sizes, like this 9mm, were on display at the NRA Convention held in Downtown Indianapolis at the Indiana Convention Center on April 25, 2014.(Photo: Matt Detrich/IndyStar file photo)

Gahl, senior vice president president of marketing and communications, said Visit Indy hasn't heard of any local businesses with concerns about the NRA Convention or its attendees.

"At this point, we have not heard or seen any business owner or tourism partner post either on their premises or on social media any other message than a welcoming one," Gahl said.

"When we say 'Indy welcomes all,' we mean that. We communicated to our restaurants and hotels, please be prepared to welcome one of the largest conventions to Indianapolis."